package com.itheima.tanhua.service;

import org.springframework.stereotype.Service;

import java.util.Date;

@Service
public class ManagementService {



    //新增、活跃用户、次日留存率
    public void dashboarrd(Integer type, Date sd, Date ed) {
     //  TODO 新增、活跃用户、次日留存率
    }
}
